>>56388701pogo is a waiting game, things rot in your storage for a long time. If you know there's going to be a community day, you hold out on evolving so that they get their CD moves without using an ETM.
For example, last year there was a Larvitar CDC, later niantroons added shadow Larvitar and if you wanted a rock type shadow Tyranitar, you had to wait until a team rocket event to remove frustration and then until December to evolve them.
